Linked Data:Libraries and Beyond

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A Jeff Young presentation for co-asis&t on the emerging topic of Linked Data and how libraries of all kinds can extend their interaction with the Web.
For more information visit our website:http://www.asis.org/Chapters/coasis

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  • An “RDF Vocabulary” is an ontology.
  • OCLC joined W3C in January 1997. Some other members at the time included Adobe, Alcatel-Lucent, Apple, Canon, Deutsche Telekom, France Telecom, HP, Hitachi, Intel, Microsoft, Nokia, and Oracle.
  • Only second time cooperation between the search engines, after robots.txt
  • Here is a real example using our markup developed by Max, Karen Coombs intern in the developer network.The plug-in works not only on worldcat.org but any page with embedded microdataAfter pulling the microdata from the page it presents the user with a popup of available options.In this case we will use the “Send to Goodreads Shelf” selectionThe microdata populates a goodreads form to add to your collection.And there it is… just a few clicks from web discovery to placed in a social platform, Brought to you by Libraries, Worldcat and OCLC.Pause for applause…
  • Linked Data:Libraries and Beyond

    1. 1. November 13, 2012CO-ASIS&TLinked Data:Libraries and BeyondJeff YoungOCLC Research The world’s libraries. Connected.
    2. 2. Introductory Video• Linked Data for Libraries (~15 minutes) The world’s libraries. Connected.
    3. 3. What is Linked Data?A method of publishing structured data based onan ontology, using HTTP URIs as identifiers so Structured Datathat information can be linked within and acrossweb domains. URIs are the Identifiers The world’s libraries. Connected.
    4. 4. What is an ontology?A representation of knowledge as a set ofconcepts within a Classes and the domain, Attributes concepts. Thisrelationships between those Relationshipsis typically the output of formal datamodeling. Individuals The world’s libraries. Connected.
    5. 5. Mechanisms for Interoperability• Humans and machines share the same http URI- based API • RDFa/Microdata markup embedded in HTML • Content-negotiation (Cool URIs for the Semantic Web)• RDF meta-model • Statement-based syntax (triple) • Domain-specific vocabulary specifications (RDFS/OWL) The world’s libraries. Connected.
    6. 6. 4 Rules (“Steps”) of Linked Data1. Use URIs as names for things2. Use HTTP URIs so that people can look up those names3. When someone looks up a URI, provide useful information, using the standards (RDF*, SPARQL)4. Include links to other URIs, so that they can discover more things The world’s libraries. Connected.
    7. 7. Is Your Data 5 Star? Available on the web (whatever format), but with an open license Available as machine-readable structured data (e.g. excel instead of image scan of a table) As (2), plus: non-proprietary format (e.g. CSV instead of excel) All the above, plus: Use open standards from W3C (RDF and SPARQL) to identify things, so that people can point at your stuff All the above, plus: Link your data to other people’s data to provide context The world’s libraries. Connected.
    8. 8. Your Dataset Name Here 1 Rule 2 Rules 3 Rules 4 Rules (URIs as (+HTTP URIs) (+Cool (+Crosslinks) names) URIs)1 Star(On the Web) Push2 Stars(+machine data) The Linked3 Stars Data Corner(+open format)4 Stars(+RDF format)5 Stars(+Crosslinks) *Approximate or caveats The world’s libraries. Connected.
    9. 9. Your Dataset Name Here 1 Rule 2 Rules 3 Rules 4 Rules (URIs as (+HTTP URIs) (+Cool (+Crosslinks) names) URIs)1 Star(On the Web)2 Stars(+machine data) The Linked P Data Corner3 Stars u(+open format) s h4 Stars(+RDF format)5 Stars(+Crosslinks) *Approximate or caveats The world’s libraries. Connected.
    10. 10. Your “Things” in the Cloud 1 Rule 2 Rules 3 Rules 4 Rules (URIs as (+HTTP URIs) (+Cool (+Crosslinks) names) URIs)1 Star(On the Web)2 Stars P(+machine data) u s3 Stars(+open format) h e d4 Stars(+RDF format)5 Stars Pushed Linked(+Crosslinks) Data *Approximate or caveats The world’s libraries. Connected.
    11. 11. OCLC Releases Schema.org + Library markup Worldcat.org June 20, 2012 June 19, 2012 Dewey Team Releases All Levels plus captions asApril 17, 2012 Linked DataOCLC proposes ODC-ByLicense at Global Council April 15, 2012 OCLC Board of TrusteesJanuary 1, 2012 discusses ODC-BY LicenseVIAF formally transitions toOCLC 2012 Dec 14, 2011 OCLC Releases FAST as
    12. 12. What is Schema.org?Schema.org is a collaboration between Bing,Google, Yahoo, and Yandex (Russian searchengine). It is an agreed ontology for harvestingstructured data from the web that createsefficiencies for the engines and allows sites morecontrol of what is important to publish. The world’s libraries. Connected.
    13. 13. Why is it important for OCLC? What a cataloger does today… The world’s libraries. Connected.
    14. 14. Why is it important for OCLC? What linked data allows catalogers to do… The world’s libraries. Connected.
    15. 15. Why is it important for OCLC? What linked data allows catalogers to do… The world’s libraries. Connected.
    16. 16. Why is it important for libraries? [craft the elements of the house] The world’s libraries. Connected.
    17. 17. Why is it important for libraries? The world’s libraries. Connected.
    18. 18. Why is it important for libraries? The world’s libraries. Connected.
    19. 19. Why is it important for libraries? The world’s libraries. Connected.
    20. 20. Real Browser Plug-in Example The world’s libraries. Connected.
    21. 21. More Information• Core Principles • Linked Data – Design Issues• Starter videos • Tim Berners-Lee on the next Web • What is Linked Data? • Danbri has moved on – should we follow? • Linked Data for Libraries• Core/starter vocabularies • Schema.org • GoodRelations (recently integrated into Schema.org) The world’s libraries. Connected.
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